Trailer hitch adapter



FIG. 1 is a left front perspective of a trailer hitch adapter, showing my new design;

FIG. 2 is a side elevational view, the opposite side elevational view being substantially a mirror image, thereof;

FIG. 3 is a front elevation view, thereof;

FIG. 4 is a rear elevational view, thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of the article taken to a reduced scale, the broken line representation of the pickup truck bumper and locking pin being included solely for illustrative purposes, forming no part of the claimed design; and,

FIG. 8 is a perspective view as in FIG. 7 on a reduced scale, but with the article being repositioned in end-for-end relation, to present the rear end coupling. 

The ornamental design for a trailer hitch adapter, as shown and described. 